/* Copyright (C) 2004 - 2006  db4objects Inc.  http://www.db4o.com

This file is part of the db4o open source object database.

db4o is free software; you can redistribute it and/or modify it under
the terms of version 2 of the GNU General Public License as published
by the Free Software Foundation and as clarified by db4objects' GPL 
interpretation policy, available at
http://www.db4o.com/about/company/legalpolicies/gplinterpretation/
Alternatively you can write to db4objects, Inc., 1900 S Norfolk Street,
Suite 350, San Mateo, CA 94403, USA.

db4o is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
for more details.

You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
59 Temple Place - Suite 330, Boston, MA  02111-1307, USA. */
namespace Db4objects.Db4o.Internal.CS.Messages
{
	public class MClassMeta : Db4objects.Db4o.Internal.CS.Messages.MsgObject
	{
		public override bool ProcessAtServer(Db4objects.Db4o.Internal.CS.ServerMessageDispatcher
			 serverThread)
		{
			Db4objects.Db4o.Internal.ObjectContainerBase stream = Stream();
			Unmarshall();
			try
			{
				Db4objects.Db4o.Internal.CS.ClassInfo classMeta = (Db4objects.Db4o.Internal.CS.ClassInfo
					)Stream().Unmarshall(_payLoad);
				Db4objects.Db4o.Reflect.Generic.GenericClass genericClass = stream.GetClassMetaHelper
					().ClassMetaToGenericClass(Stream().Reflector(), classMeta);
				if (genericClass != null)
				{
					lock (StreamLock())
					{
						Db4objects.Db4o.Internal.Transaction trans = stream.GetSystemTransaction();
						Db4objects.Db4o.Internal.ClassMetadata yapClass = stream.ProduceYapClass(genericClass
							);
						if (yapClass != null)
						{
							stream.CheckStillToSet();
							yapClass.SetStateDirty();
							yapClass.Write(trans);
							trans.Commit();
							Db4objects.Db4o.Internal.StatefulBuffer returnBytes = stream.ReadWriterByID(trans
								, yapClass.GetID());
							serverThread.Write(Db4objects.Db4o.Internal.CS.Messages.Msg.OBJECT_TO_CLIENT.GetWriter
								(returnBytes));
							return true;
						}
					}
				}
			}
			catch (System.Exception e)
			{
			}
			serverThread.Write(Db4objects.Db4o.Internal.CS.Messages.Msg.FAILED);
			return true;
		}
	}
}
